<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<h3>保时捷718 Cayman T,红色，641000元起</h3>
		<script>
			var car={
				name:"保时捷718",
				type:"Calman T"
			}
			
			//动态增加属性
			car.颜色="红色"
			car.price=641000
			console.log(car)
		</script>
	</body>
</html>
